linux-kernel - [PATCH v2 1/1] dt-bindings: timer: fsl,ftm-timer: use items for reg

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Message-Id: <20250523141437.533643-1-Frank.Li@nxp.com>
Date: Fri, 23 May 2025 10:14:37 -0400
From: Frank Li <Frank.Li@....com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Animesh Agarwal <animeshagarwal28@...il.com>,
	linux-kernel@...r.kernel.org (open list:CLOCKSOURCE, CLOCKEVENT DRIVERS),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS)
Cc: imx@...ts.linux.dev
Subject: [PATCH v2 1/1] dt-bindings: timer: fsl,ftm-timer: use items for reg

The original txt binding doc is:
  reg : Specifies base physical address and size of the register sets for
        the clock event device and clock source device.

And existed dts provide two reg MMIO spaces. So change to use items to
descript reg property.

Update examples.

Fixes: 8fc30d8f8e86 ("dt-bindings: timer: fsl,ftm-timer: Convert to dtschema")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Frank Li <Frank.Li@....com>
---
change in v2
- add kk review tag
- add missed )
---
 Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml
index 0e4a8ddc3de32..e3b61b62521e8 100644
--- a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml
+++ b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.yaml
@@ -14,7 +14,9 @@ properties:
     const: fsl,ftm-timer
 
   reg:
-    maxItems: 1
+    items:
+      - description: clock event device
+      - description: clock source device
 
   interrupts:
     maxItems: 1
@@ -50,7 +52,8 @@ examples:
 
     ftm@...b8000 {
         compatible = "fsl,ftm-timer";
-        reg = <0x400b8000 0x1000>;
+        reg = <0x400b8000 0x1000>,
+              <0x400b9000 0x1000>;
         interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;
         clock-names = "ftm-evt", "ftm-src", "ftm-evt-counter-en", "ftm-src-counter-en";
         clocks = <&clks VF610_CLK_FTM2>, <&clks VF610_CLK_FTM3>,
-- 
2.34.1